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Authors: Bingchen Liu ; Burkhard Wuensche and Timo Ropinski

Affiliation: University of Auckland;University of Münster, Germany

ISBN: 978-989-674-026-9

Keyword(s): Direct volume rendering, Transfer functions, Visual interfaces, Visualizations, Histograms.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Real-Time Rendering ; Rendering ; Volume Rendering

Abstract: The effectiveness of direct volume rendered images depends on finding transfer functions which emphasize structures in the underlying data. In order to support this process, we present a spreadsheet-like constructive visual component-based interface, which also allows novice users to efficiently find meaningful transfer functions. The interface uses a ”programming-by-example” style approach and exploits the domain knowledge of the user without requiring visualization knowledge. Therefore, our application automatically analysis histograms with the Douglas-Peucker algorithm in order to identify potential structures in the data set. Sample visualizations of the resulting structures are presented to the user who can refine and combine them to more complex visualizations. Preliminary tests confirm that the interface is easy to use, and enables non-expert users to identify structures which they could not reveal with traditional transfer function editors.

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Paper citation in several formats:
Liu B.; Wuensche B.; Ropinski T. and (2010). VISUALIZATION BY EXAMPLE - A Constructive Visual Component-based Interface for Direct Volume Rendering.In Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010) ISBN 978-989-674-026-9, pages 254-259. DOI: 10.5220/0002844102540259

@conference{grapp10,
author={Bingchen Liu and Burkhard Wuensche and Timo Ropinski},
title={VISUALIZATION BY EXAMPLE - A Constructive Visual Component-based Interface for Direct Volume Rendering},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010)},
year={2010},
pages={254-259},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002844102540259},
isbn={978-989-674-026-9},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010)
TI - VISUALIZATION BY EXAMPLE - A Constructive Visual Component-based Interface for Direct Volume Rendering
SN - 978-989-674-026-9
AU - Liu, B.
AU - Wuensche, B.
AU - Ropinski, T.
PY - 2010
SP - 254
EP - 259
DO - 10.5220/0002844102540259

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